Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 40.0…
Priority MEDIUM 52CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.
Why it matters now
EPSS 0.06694 93rd percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | 14.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* | 15.04 | Vulnerable | Canonical |
| cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* | 13.1 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* | 13.2 | Vulnerable | openSUSE |
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | up to 39.0.3 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:38.0:*:*:*:*:*:*:* | 38.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:38.0.1:*:*:*:*:*:*:* | 38.0.1 | Vulnerable | Mozilla |
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* Versions 15.04 Vulnerable ·Canonical
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* Versions 13.1 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* Versions 13.2 Vulnerable ·openSUSE
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions up to 39.0.3 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:38.0:*:*:*:*:*:*:* Versions 38.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:38.0.1:*:*:*:*:*:*:* Versions 38.0.1 Vulnerable ·Mozilla
Remediation
Red Hat 2 advisories
- RHSA-2015:1682 Released 2015-08-25 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux Client (v. 7) thunderbird-38.2.0-1.el7_1
- Red Hat Enterprise Linux Desktop (v. 5 client) thunderbird-38.2.0-4.el5_11, thunderbird-38.2.0-4.el5_11.i386
- Red Hat Enterprise Linux Desktop (v. 6) thunderbird-38.2.0-4.el6_7
- Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird-38.2.0-4.el5_11, thunderbird-38.2.0-4.el5_11.i386
- Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-38.2.0-4.el6_7
- Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-38.2.0-1.ael7b_1, thunderbird-38.2.0-1.el7_1
- Red Hat Enterprise Linux Workstation (v. 6) thunderbird-38.2.0-4.el6_7
- Red Hat Enterprise Linux Workstation (v. 7) thunderbird-38.2.0-1.el7_1
- RHSA-2015:1586 Released 2015-08-11 · Red Hat rating Criticalfirefox security update
- Red Hat Enterprise Linux (v. 5 server) firefox-38.2.0-4.el5_11, firefox-38.2.0-4.el5_11.i386
- Red Hat Enterprise Linux Client (v. 7) firefox-38.2.0-4.el7_1
- Red Hat Enterprise Linux Client Optional (v. 7) firefox-38.2.0-4.el7_1
- Red Hat Enterprise Linux Desktop (v. 5 client) firefox-38.2.0-4.el5_11, firefox-38.2.0-4.el5_11.i386
- Red Hat Enterprise Linux Desktop (v. 6) firefox-38.2.0-4.el6_7
- Red Hat Enterprise Linux Desktop Optional (v. 6) firefox-38.2.0-4.el6_7
- Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-38.2.0-4.el6_7
- Red Hat Enterprise Linux Server (v. 6) firefox-38.2.0-4.el6_7
- Red Hat Enterprise Linux Server (v. 7) firefox-38.2.0-4.ael7b_1, firefox-38.2.0-4.el7_1
- Red Hat Enterprise Linux Server Optional (v. 6) firefox-38.2.0-4.el6_7, firefox-38.2.0-4.el6_7.ppc
- Red Hat Enterprise Linux Server Optional (v. 7) firefox-38.2.0-4.el7_1, firefox-38.2.0-4.el7_1.ppc
- Red Hat Enterprise Linux Workstation (v. 6) firefox-38.2.0-4.el6_7
- Red Hat Enterprise Linux Workstation (v. 7) firefox-38.2.0-4.el7_1
- Red Hat Enterprise Linux Workstation Optional (v. 6) firefox-38.2.0-4.el6_7
- Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-38.2.0-4.el7_1
Vendor assessments
Red Hat
Red Hat rating: Critical. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2015:1586 |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2015:1586, RHSA-2015:1682 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2015:1586 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2015:1586, RHSA-2015:1682 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2015:1586, RHSA-2015:1682 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2015:1586 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2015:1586 |
| Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) | Fixed | RHSA-2015:1682 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2015:1586 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2015:1586 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2015:1586, RHSA-2015:1682 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2015:1586, RHSA-2015:1682 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2015:1586, RHSA-2015:1682 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2015:1586, RHSA-2015:1682 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2015:1586 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2015:1586 |
Timeline
- 2026-10-02 Threatist record created from CVE-2015-4473
- 2026-10-03 Alias added: GHSA-49v6-8hgf-2jxx
References
Advisory 21
- DSA-3410
- SUSE-SU-2015:2081
- https://bugzilla.mozilla.org/show_bug.cgi?id=1146213
- https://bugzilla.mozilla.org/show_bug.cgi?id=1182711
- http://www.mozilla.org/security/announce/2015/mfsa2015-79.html
- USN-2712-1
- openSUSE-SU-2015:1454
- USN-2702-3
- RHSA-2015:1682
- openSUSE-SU-2015:1389
- openSUSE-SU-2015:1453
- RHSA-2015:1586
- https://bugzilla.mozilla.org/show_bug.cgi?id=1178890
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- SUSE-SU-2015:1528
- USN-2702-2
- USN-2702-1
- GLSA-201605-06
- SUSE-SU-2015:1449
- DSA-3333
- openSUSE-SU-2015:1390
Sources
- CVE-2015-4473 · CVE Program
- CVE-2015-4473 · NVD
- FIRST EPSS
- GHSA-49v6-8hgf-2jxx · GitHub Advisory Database · CC BY 4.0
- CVE-2015-4473 · Red Hat security data · CC BY 4.0
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